Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb lighten_up

4 senses of lighten up

Sense 1
lighten, lighten up, buoy up -- (make more cheerful; "the conversation lightened me up a bit")
       => cheer -- (show approval or good wishes by shouting; "everybody cheered the birthday boy")

Sense 2
lighten, lighten up, buoy up -- (become more cheerful; "after a glass of wine, he lightened up a bit")
       => cheer, cheer up, chirk up -- (become cheerful)

Sense 3
brighten, lighten up, lighten -- (make lighter or brighter; "The paint will brighten the room")
       => change, alter, modify -- (cause to change; make different; cause a transformation; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue")

Sense 4
lighten, lighten up -- (become lighter; "The room lightened up")
       => change -- (undergo a change; become different in essence; losing one's or its original nature; "She changed completely as she grew older"; "The weather changed last night")